MIXED PROBLEMS FOR THE KORTEWEG-DE VRIES EQUATION Article Faminskii A.V. Sbornik Mathematics. Russian Academy of Sciences. Vol. 190. 1999. P. 903-935
THE CAUCHY PROBLEM FOR THE ZAKHAROV-KUZNETSOV EQUATION Article Faminskii A.V. Differential Equations. Vol. 31. 1995. P. 1002-1012